How can you tell if a female dog is pregnant?

FAQ for the last Day

• How do Tigers groom themselves?

Grooming is an important part of Tiger Day. They use their raging tongue to remove loose hair and dirt from their fur. The grooming process keeps the tiger's coat in good condition by using the to (...)

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• How long can a chimpanzee remember?

Chimpanzees and orangutans were able to recall past events when sensory reminders were presented, new studies show. In both species, after just running the task four times, three years later they (...)

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• How do hyenas talk to each other?

To communicate with each other, hyenas smear pasty secretions on the grass from the fist-sized glands under the tail. Other hyenas that sample these debris can sniff out a wealth of information su (...)

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• What is the most dangerous living bird?

The cassowary is often referred to as the most dangerous bird in the world. Shy and secretive in his native New Guinea and forests in northern Australia, he can be captive and aggressive. A kick f (...)

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• What makes chimps different from humans?

It was found that it differs by about 1.23 percent per nucleotide from the human genome to which it was compared. This represents about 40 million differences in our DNA, half of which may be due (...)

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